body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
    color: #333;
}

header {
    background: #0077cc;
    color: white;
    padding: 2rem 1rem;
    text-align: center;
}

header img {
    width: 320px;
    margin-bottom: 1rem;
}

nav {
    background-color: #0077cc;
    text-align: center;
    padding: 0.5rem 0;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 1rem;
    font-weight: bold;
}

nav a:hover {
    text-decoration: underline;
}

main {
    padding: 2rem;
    max-width: 800px;
    margin: auto;
    background: white;
}

h2 {
    color: #0077cc;
    border-bottom: 2px solid #0077cc;
    padding-bottom: 0.5rem;
}

ul {
    padding-left: 1.5rem;
}

footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
}

@media (max-width: 600px) {
    main {
        padding: 1rem;
    }
}